Missing DLC Purchased from Xbox One Edition.

Just downloaded the Windows 10 Minecraft. I haven't played since I played on Xbox One which was before the better together update. I Looked in the store and all the DLC I purchased on Xbox isn't available to me. It requires me to purchase them again.

Purchases include:
Fantasy Texture pack

Halo Mash-up
Star wars Classic
Skin Pack 4
Skin Pack 3
Skin Pack 2
Skyrim Mash-Up
Mass-Effect Mash-up